Abstract: The proceedings contain 30 papers. The topics discussed include: assuring homeland security: continuous monitoring, control and assurance of emergency preparedness; believe in the model: mishandle the emergency; IMI – an information system for effective multidisciplinary incident management; the virtual crisis management center; dam break emergency response information system; the design and implementation of a decision support and information exchange system for nuclear emergency management in the Netherlands; a management information system to support the radiological protection institute of Ireland's emergency response role; location-based emergency medicine; systems improving communication in case of a nuclear emergency; automated support for adaptive incident management; and structuring stakeholders' involvement in radiological crisis management.